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Asomlei closes a $5M Series B bridge round to launch CNT-based EUV pellicle membrane production, co-led by S&S Investment and WONIK Investment Partners.

PRIVATEAug 11, 2026•about 2 hours ago

Amount Raised

$5 Million

Round Type

Series B

Anyang SiManufacturing

Investors

Ascendo VenturesUnion Investment PartnersK Net Investment PartnersL&S Venture CapitalReinvestmentHanwha Investment & SecuritiesWonik Investment PartnersS&S Investment

Description

Asomlei has successfully secured a $5 million Series B bridge round to enhance its production capabilities for CNT-based EUV pellicle membranes. The investment will enable the company to stabilize production, improve quality management, and meet customer commitments. This round was co-led by S&S Investment and WONIK Investment Partners with several other investors participating. The newly constructed cleanroom production line marks a significant shift in Asomlei's operations towards commercialization.

Company Information

Company

Asomlei

Location

Anyang Si, Gyeonggi, South Korea

About

Asomlei is a South Korean startup specializing in carbon nanotube (CNT)-based membranes and fiber materials. The company focuses on producing EUV pellicle membranes used in advanced semiconductor manufacturing. Asomlei is transitioning from a research-focused operation to a commercialization-stage materials supplier. The firm has received government support and is preparing for an IPO on KOSDAQ.

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Strategic

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Funding Insights

Based on industry data
Timeline to next round
Series B companies typically work for 15-20 months before raising new capital
Growth expectations
Series B companies are expected to scale rapidly and expand market reach
VC-backed spending patterns
VC-backed companies spend 89% more on sales and 100% more on marketing than bootstrapped peers

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